Thanks go to Neil who’s written a series of great tutorials on loading XML data into Flash (My big concern with Flash is that future maintenance is always a bit opaque, when the text is squirrelled away in a .fla somewhere…

I actually found it at actionscript.org

As well as basic CSS, there’s also XPath support, too

And here’s the very question I’ve been wondering about:
Can a body id be passed to Flash ?